Analysis

  • max time kernel
    177s
  • max time network
    186s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    16-07-2024 22:05

General

  • Target

    f1e4854bc5b5afd9f6d2bda246e09d37cae2b045d9cde6edc576664d01f1b7b8.apk

  • Size

    509KB

  • MD5

    9aa1644d1e7552db40d8b447f33da4f8

  • SHA1

    f630160995955ce73f1b6a5e23a03b4bb2956f85

  • SHA256

    f1e4854bc5b5afd9f6d2bda246e09d37cae2b045d9cde6edc576664d01f1b7b8

  • SHA512

    3aa3a80367cad03ba8ab8468deaa9c7f5536a8681d9d3d95fd1eec8433f3b1a7cf9cfdde8faad2999f554d9b4de36118a305f5b4f16b52c170241045925dd6fe

  • SSDEEP

    12288:khw5zZvLFTLUpTZpJgVZBqVqvii/OsZnF5Pnu:ke5zZvLpYbYKqFGOnjnu

Malware Config

Extracted

Family

octo

C2

https://kesmecekarpuz.site/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz145.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz878.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz5446.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz8455.com/NGE2Y2RjYjdmYjg3/

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.northfree00
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests modifying system settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4312

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.northfree00/cache/oat/qbdbkyrc.cur.prof
    Filesize

    484B

    MD5

    cf99259511b1c97c0c8f347733065cfa

    SHA1

    64edefa923a2bbaae21ae323e7b410d06321df73

    SHA256

    eaa858f28f8c8e1f3d65533174623d11e96e8a10f083db67df0968f4d532e8e9

    SHA512

    8701d93da6acbddf351130a20289fa179a8479ef3a7127adab069f8a1424a606eea9b4212d87b6dcf2f8e1974d4469e21280e65cc96182a8e576d731b93247c0

  • /data/data/com.northfree00/cache/qbdbkyrc
    Filesize

    448KB

    MD5

    a661ebd2a6093fa75a2ca1d2f7434a3d

    SHA1

    550a18d7ef8cfa9e2f7760721c7dea40a1054638

    SHA256

    1145353d2b4479dbb74f298f7f14293cc1bb7c57dc6fd5ff48d9bb021cfcde8d

    SHA512

    9f5aee09935879d9fbc78e35c9aef8f10cc927c34428f3329aabbef90a16a809642cc6ce6cabf96f4f26fbdbfa66f91ab1fd9377328fbc5a9c047d643137e222